45732557 has 4 divisors (see below), whose sum is σ = 49250460. Its totient is φ = 42214656.

The previous prime is 45732553. The next prime is 45732571. The reversal of 45732557 is 75523754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75523754 = 2 ⋅37761877.

It can be written as a sum of positive squares in 2 ways, for example, as 12773476 + 32959081 = 3574^2 + 5741^2 .

It is a cyclic number.

It is not a de Polignac number, because 45732557 - 2² = 45732553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45732557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45732553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758932 + ... + 1758957.

It is an arithmetic number, because the mean of its divisors is an integer number (12312615).

Almost surely, 2^45732557 is an apocalyptic number.

It is an amenable number.

45732557 is a deficient number, since it is larger than the sum of its proper divisors (3517903).

45732557 is a wasteful number, since it uses less digits than its factorization.

45732557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517902.

The product of its digits is 147000, while the sum is 38.

The square root of 45732557 is about 6762.5850826441. The cubic root of 45732557 is about 357.6090449302.

The spelling of 45732557 in words is "forty-five million, seven hundred thirty-two thousand, five hundred fifty-seven".